Founders Fund

Activity from announced rounds

Activity in this selectionMar 31, 2026 · Mar 1, 2026

Founders Fund is a technology venture firm with partners working in engineering-led businesses across energy, infrastructure, manufacturing, transport, biotechnology and defence.

The partnership combines investing with direct company creation. Trae Stephens co-founded Anduril and serves as its executive chairman; Delian Asparouhov co-founded Varda Space Industries; Scott Nolan founded uranium-enrichment company General Matter. These roles put investors inside the work of building industrial and defence businesses.

Nolan’s investing focus includes engineering-driven startups in energy, infrastructure, manufacturing, transportation and biotechnology. Stephens brings experience developing products and expanding government business at Palantir, including in intelligence and defence.

Sources
Rounds participated in
4
Confirmed lead rounds
—
4 roles undisclosed
New companies
4
First participation on record · 0 follow-on
Funding in participating rounds
$345M
4 disclosed · full round size, not this investor’s share

By stage

Series B2
Series A1
Series C+1

By primary sector

Defense tech2
Agritech1
Proptech1

By country

United States2
New Zealand1
United Kingdom1

Rounds

4 in this selection
Giraffe360

AI-powered real estate marketing technology platform

$10MSeries B
Role not disclosed
Halter

Develops GPS-enabled cattle collars using sensors, software and AI.

$220MSeries E
Role not disclosed
Swarm Aero

Develops large uncrewed aerial vehicle swarms and command and control software

$35MSeries A
Role not disclosed
Nominal

Offers software for hardware engineers to test designs

$80MSeries B+
Role not disclosed